Jan Janků (born 10 August 1971 in Česká Lípa) is a former Czech high jumper.
His personal bests are 2.30 m indoors and 2.29 m outdoors. His younger brother Tomáš Janků is also a prominent high jumper.
He is married to Katerina Babova, a sister of the high jumper Jaroslav Bába. The couple has one son, Jan Junior, born in 2007.
Achievements Representing 1996European Indoor ChampionshipsStockholm, Sweden7th2.24 m1997World Indoor ChampionshipsParis, France20th (q)2.20 mWorld ChampionshipsAthens, Greece12th2.25 m1998European Indoor ChampionshipsValencia, Spain4th2.26 m1999World ChampionshipsSeville, Spain18th (q)2.23 m2000European Indoor ChampionshipsGhent, Belgium17th (q)2.16 m2001Jeux de la FrancophonieOttawa, Canada3rd2.21 mWorld ChampionshipsEdmonton, Canada13th (q)2.25 m2002European ChampionshipsMunich, Germany8th2.22 m
References